The original “Digitax” brand (unrelated to tax software) was often a house brand for European or Australian automotive tool distributors. The M1 model is discontinued. Therefore, you will not find it on a major brand website.
If you cannot find the PDF, consider that the or BYK Gardner micro-gloss units use nearly identical operating principles—their manuals can serve as functional substitutes. digitax m1 mirror meter manual
The Complete Guide to Mastering Your Fleet: The Digitax M1 Mirror Meter Manual The original “Digitax” brand (unrelated to tax software)
: Dedicated keys to add extras or toggle between local currency and Euros. Accountancy digitax m1 mirror meter manual
Remove the factory mirror and use the Digitax-specific arm to bolt the M1 onto the windscreen button. Wiring: Red: Permanent +12V Battery. Black: Chassis Ground. Blue/White: Ignition Sense.